﻿using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Xml.Serialization;
using NewLife;
using NewLife.Data;
using XCode;
using XCode.Membership;

namespace AntJob.Data.Entity
{
    /// <summary>应用在线。各应用多实例在线</summary>
    public partial class AppOnline : EntityBase<AppOnline>
    {
        #region 对象操作
        static AppOnline()
        {
            // 累加字段
            //var df = Meta.Factory.AdditionalFields;
            //df.Add(__.AppID);

            // 过滤器 UserModule、TimeModule、IPModule
            Meta.Modules.Add<TimeModule>();
            Meta.Modules.Add<IPModule>();
        }
        #endregion

        #region 扩展属性
        /// <summary>应用</summary>
        [XmlIgnore]
        //[ScriptIgnore]
        public App App => Extends.Get(nameof(App), k => App.FindByID(AppID));

        /// <summary>应用</summary>
        [XmlIgnore]
        //[ScriptIgnore]
        [DisplayName("应用")]
        [Map(__.AppID)]
        public String AppName => App?.Name;
        #endregion

        #region 扩展查询
        /// <summary>根据编号查找</summary>
        /// <param name="id">编号</param>
        /// <returns>实体对象</returns>
        public static AppOnline FindByID(Int32 id)
        {
            if (id <= 0) return null;

            return Find(_.ID == id);
        }

        /// <summary>根据实例查找</summary>
        /// <param name="instance">实例</param>
        /// <returns>实体对象</returns>
        public static AppOnline FindByInstance(String instance)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.Find(e => e.Instance == instance);

            return Find(_.Instance == instance);
        }

        /// <summary>根据应用查找</summary>
        /// <param name="appid">应用</param>
        /// <returns>实体列表</returns>
        public static IList<AppOnline> FindAllByAppID(Int32 appid)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.AppID == appid);

            return FindAll(_.AppID == appid);
        }
        #endregion

        #region 高级查询
        /// <summary>
        /// 高级查询
        /// </summary>
        /// <param name="appid"></param>
        /// <param name="start"></param>
        /// <param name="end"></param>
        /// <param name="key"></param>
        /// <param name="p"></param>
        /// <returns></returns>
        public static IEnumerable<AppOnline> Search(Int32 appid, DateTime start, DateTime end, String key, PageParameter p)
        {
            var exp = new WhereExpression();

            if (appid > 0) exp &= _.AppID == appid.ToInt();
            if (!key.IsNullOrEmpty()) exp &= _.Name.Contains(key) | _.Instance.Contains(key);
            exp &= _.CreateTime.Between(start, end);

            return FindAll(exp, p);
        }

        /// <summary>
        /// 获取UpdateTime距now，减指定参数分钟的数据
        /// </summary>
        /// <param name="norunMin"></param>
        /// <returns></returns>
        public static IList<AppOnline> GetOnlines(Int32 norunMin = 10)
        {
            var now = DateTime.Now;
            var exp = new WhereExpression();
            exp &= _.UpdateTime <= now.AddMinutes(-norunMin);

            return FindAll(exp);
        }

        /// <summary>根据应用查询</summary>
        /// <param name="appid"></param>
        /// <param name="p"></param>
        /// <returns></returns>
        public static IList<AppOnline> SearchByAppID(Int32 appid, PageParameter p)
        {
            // 实体缓存
            if (Meta.Session.Count < 1000) return Meta.Cache.FindAll(e => e.AppID == appid);

            return FindAll(_.AppID == appid, p);
        }
        #endregion

        #region 业务操作
        /// <summary>转模型类</summary>
        /// <returns></returns>
        public PeerModel ToModel()
        {
            return new PeerModel
            {
                Instance = Instance,
                Client = Client,
                Machine = Name,
                Version = Version,

                CreateTime = CreateTime,
                UpdateTime = UpdateTime,
            };
        }
        #endregion
    }
}